Improve validation for bruteForceDetection in realm

[pascal-sochacki]

In keycloak some options don't work together. For example i define bruteForceDetection on a realm and set PermanetLock to true but also set a value for "Wait increment". It would be nice if i get a validation error if a none valid combination is applied to the cluster

[pascal-sochacki]

There is a way to define rules with some logic

// ClientParameters are the configurable fields of a Client.
// +kubebuilder:validation:XValidation:rule="!self.AuthorizationServicesEnabled || (self.AuthorizationServicesEnabled && self.ServiceAccountsEnabled)"
type ClientParameters struct {